Subj : Re: Unexpected fish death To : All From : Rick Date : Thu Jun 10 2004 11:56 am "lance lyon" wrote in message news:1116902821.732.205.6895048.1960961286.RIMEGateQWK@MoonDog.BBS... > > > > > > > Hi ppl's, > > Around two weeks ago I added 10 fish (6 comets & 4 small catfish) to a new > aquarium that had been cured for around six weeks. > > Last Saturday, the water started clouding, so I did around a 30% water > change (this is a 60 litre tank). Almost immediately the Comets startedto die > with the last one going off this morning. > > Curious thing is, the catties are totally unaffected. > > I use a very coarse gravel over a UG filter as well as an external "hang on > the side" filter. All water tests are fine, PH is fine, nitrates & nitrites are > > non existant, so the bio filters seem not to be the problem. The cloudiness > has also gone as of yesterday. > > The water I use is rain water (we are on tanks here) & this has not been an > issue with the other tank (I'm in Tasmania, Australia - so acid rain doesn't > even figure into the equation). > > Just can't fathom why the Comets have died (they are usually very robust) & the > > more "fragile" catties have survived ok. > > Any thoughts ? > > > cheers, > > Lance > > --- > - 0rigin: 42 Degrees South +61-3-6297-8499 (3:712/313.1) > --- > þ RIMEGate(tm)/RGXMod V1.13 at BBSWORLD * Info@bbsworld.com 6 comets, as in goldfish??. One comet, max two in your size tank is all that should be kept. I would suspect that an ammonia spike killed the fish. Not likely that whatever filter you have on that size tank can have a bio load capable enough of handling 6 comets. Messy fish that create large amounts of waste which = ammonia spikes. Strange that the catfish didn't go also. Rick --- þ RIMEGate(tm)/RGXPost V1.14 at BBSWORLD * Info@bbsworld.com --- * RIMEGate(tm)V10.2áÿ* RelayNet(tm) NNTP Gateway * MoonDog BBS * RgateImp.MoonDog.BBS at 6/10/04 10:56:41 AM * Origin: MoonDog BBS, Brooklyn,NY, 718 692-2498, 1:278/230 (1:278/230) .